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platforms/sipeed_tang_mega_138k: fix sdram_connector pinout and move to _dock_io

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This commit is contained in:
Gwenhael Goavec-Merou 2023-11-07 20:22:50 +01:00
parent e23ac0251a
commit d4e73fd389
1 changed files with 17 additions and 16 deletions
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33
litex_boards/platforms/sipeed_tang_mega_138k.py
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@ -51,22 +51,6 @@ _io = [
IOStandard("LVCMOS33"),
),
("ephy_clk", 0, Pins("E18"), IOStandard("LVCMOS33")),
("sdram_clock", 0, Pins("AC26"), IOStandard("LVCMOS33")),
("sdram", 0,
Subsignal("a", Pins(
"V17 U15 V16 U16 T23 T25 R25 P25",
"W23 V23 W21 U24 U25")),
Subsignal("dq", Pins(
"V22 U22 W19 V19 Y20 W20 V26 U26",
"AB25 AB26 AA25 AA24 Y26 Y25 W26 W25")),
Subsignal("ba", Pins("P21 Y21")),
Subsignal("cas_n", Pins("P24")),
Subsignal("cs_n", Pins("U14")),
Subsignal("ras_n", Pins("P23")),
Subsignal("we_n", Pins("R23")),
IOStandard("LVCMOS33"),
),
]
# Connectors ---------------------------------------------------------------------------------------
@ -200,6 +184,23 @@ _dock_io = [
IOStandard("LVCMOS33D"),
Misc("PULL_MODE=NONE DRIVE=8")
),
("sdram_clock", 0, Pins("V23"), IOStandard("LVCMOS33")),
("sdram", 0,
Subsignal("a", Pins(
"V19 W19 U22 V22 Y25 AA25 AA24 AB25",
"AB26 AC26 Y20 U25 U24")),
Subsignal("dq", Pins(
"U16 V16 U15 V17 W21 Y21 P21 U17",
"P25 W23 T25 R25 R23 T23 P24 P23")),
Subsignal("ba", Pins("V26 W20")),
Subsignal("cas_n", Pins("W26")),
Subsignal("cs_n", Pins("U26")),
Subsignal("ras_n", Pins("W25")),
Subsignal("we_n", Pins("Y26")),
IOStandard("LVCMOS33"),
Misc("PULL_MODE=UP")
),
]
# Platform -----------------------------------------------------------------------------------------